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Which outcome occurred when early maize domestication lacked heterozygosity?

A)Increased susceptibility to crop diseases
B)Higher kernel protein production rates
C)Improved water resource utilization
D)Accelerated rate of plant diversification

💡 Explanation

A lack of heterozygosity in domesticated maize reduced genetic diversity; thus plants became vulnerable due to genetic uniformity and pathogens' selective advantage. This leads directly to increased susceptibility to crop diseases, rather than increased protein production, better water use, or accelerated diversification.

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